30. MULTIPLE CHOICE 12-45 Delson Company produces two types of piano legs, plain and fancy, with unit contribution margins of $8 and $12, respectively Each piano leg must spend time on a special machine. The firm owns four machines that together provide 10,000 hours of machine time per year. The plain leg requires 0.25 hours of machine time, the fancy leg requires 0.5 hours of machine time What is the contribution margin per hour of machine time for a plain leg? a. Ob. $8 Oc. $32 Od. $24 e. $12 31 MULTIPLE CHOICE 12-46 Delson Company produces two types of piano legs, plain and fancy, with unit contribution margins of $8 and $12, respectively Each piano leg must spend time on a special machine. The firm owns four machines that together provide 10,000 hours of machine time per year. The plain leg requires 0.25 hours of machine time, the fancy leg requires 0.5 hours of machine time What is the contribution margin per hour of machine time for a fancy leg? a. Ob. $8 ??. $12 Od. $32 Oe. $24 32. MULTIPLE CHOICE 12-47 Delson Company produces two types of piano legs, plain and fancy, with unit contribution margins of $8 and $12, respectively Each piano leg must spend time on a special machine. The firm owns four machines that together provide 10,000 hours of machine time per year. The plain leg requires 0.25 hours of machine time, the fancy leg requires 0.5 hours of machine time How many of each type of leg must be sold to optimize total contribution margin? a. 20,000 plain legs, 10,000 fancy legs Ob. O plain legs; 20,000 fancy legs c. 10,000 plain legs; o fancy legs Od. 40,000 plain legs; 0 fancy legs e. O plain legs; 10,000 fancy legs